A.
B.
C.
D.
[单选题]A.B.C.D.
[单选题]A.00B.01C.10D.11
[单选题]A.300kPaB.320kPaC.476kPaD.496kPa
[单选题]A.50~100kPaB.300~350kPaC.300~400kPaD.300~600kPa
[单选题]A.2.49mB.3.6mC.3.88mD.4m